Nozzle for street washing and sprinkling machines.



W. BATMAN. V NOZZLE FOR STREET WASHING AND SPRINKLING MACHINESAPPLICATION FILED JAN. 25. 1911.

Patented Nov. 21, 1911.

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WILLIM RATICALN, OF ST. LOUIS, MISSOURI. ASSIG-NOR TO ST. LOUIS STREETFLUSH- ING MACHINE (30., OF ST. LOUIS, MISSOURI, A CORPORATION OFMISSOURI.

NOZZLE FOR STREET \VASHING- AND SPRINKLING MACHINES.

Specification of Letters Patent.

Patented Nov. 21, 1 91 1.

Application filed January 25, 1911. Serial No. 604,624.

citizen of the United States, and a resident i of the city of St, Louisand State of nlissouri, have invented a new and useful 11nprovcment inNozzhs for Street lVashing and Sprinkiin'g Machines, of which thefollowing isa specification.

This invention relates to nozzles and more particularly to nozzles forstreet washing and sprinkling apparatus. The subjectmatter is dividedout of an application for LettersPatent of the United States for im-.

provement in street. washing and sprinkling machines, Ser. No. 3%,516,filed by me on December 19,1906.

It has for its principal objects to improve generally upon nozzles forstreet washing and sprinkling machines, to provide for the discharge ofthe water with a considerable force from a relatively low, F'essurewithin the tank, to produce a concentrated and evenly distributed widestream, and to secure ell'ective results from a minimum amount of water.

The invention consists in the parts and in the arrangements andcombinations of parts hereinafter described and claimed.

In the accompanying drawing which forms part of this specification, andWherein like symbols refer to like parts wherever they occur: Figure 1is. a side elevation of astreet washing and sprinkling machine equippedwith a nozzle according to my invention; Fig. 2 isa front view of the.nozzle;

ig. u is a top plan view of the nozzle, -a portion being shown insection; Fig. 4 1s a section on the line 4.-4 of Fig. :2; Fig. 5 i;- atop plan view of the strainer, a portion being broken away to moreclearly show the diaphragm; and Fig. 6 is a, section on the line fi-6 oflfig. 5.

As illustrated in the drawing, the machine comprises a truck-frame 1which is mounted on frontandrear wheels 2 and 3, re-

A tank 4 is mounted on the frame 1. This tank is adapted to containwater under pressure when the machine is to be used for washing andflushing pur- An intake water-pipe 5 opens into he rear of the tank 4near the. bottom. This Eipe- 5 is provided with an inwaxfly opeumgcheckwalre (3 whose construction is ohions and hence not. illustrated indetail.

{in the outer end of the pipe 5 is attached a casing 7 containing aperforated (ha-- pliragm The casing has a screw-tln'eaded portion 9udapted to receive the coupling member of suitable hose-pipe not shown)through which the tank may be titled with the water from a city main orother source of water supply.

The machine is provided with one or more delivery nozzles 10, asdesired. Preferably, two nozzles are provided for the type of machineillustrated in the drawing. In this case, it. is desirable to locate,the nozzles forward of the rear wheels. The nozzles' 10 are preferablyadjustably attached to a delivery-pipe 11 which extends laterally anddownwardly from the hollom of the tank 4. The adjustment of the 11ozzles may be effected through the medium of a hall-and-socket or othersuitable universal joint 12.

The nozzle lOis a hollow head whose bottom is closed but whose topportion has a,

threaded opening, therein to adapt it for connection to the lower memberof the universal joint 12. The upper portion of this hollow head isinclined forwardly, downwardly and laterally, to an arcuale orcylindrical front'wall so as to makethe general livery part. Saidcircular wall is providtnl with a series of perforations 13 which are,preferably, slightly larger than the perforaions inthe strainerdiaphragm S and whose diameters are greater than the spaces betweenthem. Preferably, the perforations .13 are arranged. in two or m reparallel rows and the perforations of one row are staggered withrelation to those of the other row or rows. In other words, the centralpoints of the perforations of one row are in perpendicular alincmentwith points midway between the perforations of the other row. That is,the perforations of one row overlap those of the other row.

By providing the nozzle with a plurality of comparatively smallperforations, arranged substantially as shown, the water is dischargedfrom it with a considerable force from a relatively low pressure withinthe tank. The overlapping arrangement of parallel rows of perforationsproduces a concentrated and evenly distributed wide stream, and aminimum amount; of water can be discharged with good efl'ect.

The pert'orated strainer diaphragm Sprevents large gravel )l' otherparticles from passing into the walcr tank *1. By making eachperforation in the delivery nozzles of larger area than the strainerperforations, any very small particles which might pass into the watertank can be readily discharged out through the nozzle perforations andclogging ol the nozzles is thereby prevented. liy providing a removableplug ll in a screw-threaded opening in the bottom of the nozzle, theinterior thereof may be easily cleaned. i

A pressure tank If) is mounted inside of the water tank; and, forpractical purposes,

it is preferable to have it extend from end to end thereof. Thispressure tank may be charged through a pipe I from any suitable sourreof pressure supply. pipe IT ext nds from said pressure tank andcommunicates with the interior of the water tank at the top thereof, sothat pressure is atall times exerted on the contained body ot water fromab ve. ln some L'tl 0$, where the water-supply is produced under heavypressure, the pressure tank may be charged by allowing the air withinthe water tank to be displaced therefrom and forced into the pressuretank through the pipe l? by the incoming water while ;ll l water tank isbeing filled.

By simply maintainin the water in the water-tank under l| \'dlostttli4'pressure and adjusting the nozzle lo tllrt'lxitlgt'. slightly upward,the machine may be used For sprinkling purposes. as distinguished frowashing and flushing, for which latter purposes the water must bedischarged downwardly at an inclination and under heavy pressure. insome cases, where a relatively wide street is to be sprinkled the waterls discharged from the nozzle under heavy pressure.

Obviously, my device admits of considerable modification withoutdeparting from my invention and, therefore, 1 do not wish A secondto belimited to the specific construction and arrangement shown.

What I claim is: v

1. In a street washing and sprinkling machine, a delivery nozzlecomprising a hollow head having an areuate front; Wall, the horizontaldimension oi the chamber of said head widening and the verticaldimension of said chamber decreasing toward said front wall, saiddelivery nozzle having a plurality of comparatively small deliveryapertures in its front wall, said apertures being ar 'angcd 'in parallelrows, and all but the entlinost apertures of one row being arranged tooverlap two adjacent apertures in another row.

2. In a street washing and sprinkling machine, a dclhc-ry nozzle havinga universal joint member for mounting it, said delivery nozzle having aplurality of comparatively small delivery apertures ar 'anged inparallcl tOWs. all the apertures of each row being of greater width thanthe spaces between said apertures.

3. in a street washing machine, a delivery nozzle. comprising a hollowhead havingan arcaate front wall, the horizontal dimension of thechamber of said head widening, and the vertical dimension of saidchamber dell't'tblllg' toward said front wall, said nozzle having auniversal j int member for mounting it, said delivery nozzle having a.pinrality of eoniparatively small delivery apertures arranged inparallel rows in its front all, the apertures of each row being ofgreater width than the spaces between said aperti ires.

-i. A delivery nozzle for street washing and sprinkling machinescomprising a hollow head having an art-unto front wall, a ('lnsttlbottom and a downwardly and forardly int-lining top, the top portionbeing adapted for connection to a delivery pipe and the arcu'ate frontall being provided with a'plurality of comparatively small deliveryapertures arraugedin parallel rows, all but the Clllllltlvt apertures ofeach row being arranged to overlap the two adjacent apertures in anotherrow.

delivery nozzle for street washi. g and sprinkling machines comprising3. bob low head having an arcuate front wall, a. (lost-d bottom and adownwardly and forwardly inclining top, the top portion being adaptedfor connection to a delivery pipe and the areuate frontwall beingprovided with a plurality of comparative! small dc livery apertures,nilltl apertures eing Staggered with relation to each other and eachaperture except the endmost apertures being arranged to overlap twoadjacent apertures.

n. delivery nozzle for street washing and sprinkling machines comprisinga 1101- width than the space between the successive 10 10 head having anarcuate fronfi wall, the apertures. horizuntal dimension of the chamberof said Signed at St. Louis, Missouri, this 17th head widening towardsaid front wall, ma day of January, 1911.

5 the vertical dimension of said head decreasr I ing toward said frontwall, said front wall ILLIAL' RATICAN being provided with a plurality ofcompara- Vvitnesses: i; tively small delivery apertures arranged in G.A. PENNINGTON,

" army and each aperture being of greater M. A. SHELTON.

